Heat Transfer

Front

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

Back

Hotter to colder.

Front

Which will most likely occur when raw egg is placed on black pavement on a hot, summer day?

Back

The pavement will conduct the heat and cook the egg.

Front

Which Earth's surface heats quicker, sand or water?

Back

Sand.

Front

Energy transfer during which hot fluid rises and cold fluid sinks, creating a cycle, is called...

Back

Convection.

Front

You get sunburned due to __________ from the sun.

Back

Radiation.

Front

What is conduction?

Back

The transfer of heat through direct contact between materials.

Front

What is convection?

Back

The transfer of heat through the movement of fluids (liquids and gases).

Front

What is radiation?

Back

The transfer of heat in the form of electromagnetic waves.

Front

What happens to the temperature of a substance when it absorbs heat?

Back

The temperature increases.

Front

What is the main difference between conduction and convection?

Back

Conduction occurs in solids through direct contact, while convection occurs in fluids through movement.